There may be unrecognised cases of manifest injustice of which we are unaware.

　　也許還有一些我們不知道的明顯不公平現(xiàn)象被忽視了。

　　She was unaware that I could see her.

　　她沒(méi)想到我能看見(jiàn)她。

　　I was unaware of his existence until today.

　　直到今天我才知道有他這么個(gè)人。

　　He was completely unaware of the whole affair.

　　他對(duì)整件事情一無(wú)所知。

　　He was blithely unaware of the trouble he'd caused.

　　他漫不經(jīng)心，絲毫沒(méi)有察覺(jué)他惹的麻煩。